When this Siege enters, reveal any number of Dragon cards from your hand. When you do, this Siege deals X plus 2 damage to any other target, where X is the number of cards revealed this way.
I — Return up to one target creature or planeswalker to its owner's hand. II — Return an artifact card from your graveyard to your hand. If you can't, draw a card. III — Exile this Saga, then return it to the battlefield transformed under your control.